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Retailers said the tax hike would hurt their businesses and bolster the cigarette black market

Therefore, researchers can measure cotinine concentration (saliva, urine, blood) to assess for current tobacco use

Momma birds were also picky about the cigarettes they'd use: they could tell the difference between smoked and unsmoked cigarette butts, and the research revealed a preference for the already-smoked variety

"With ever tighter restrictions on tobacco advertising, film remains one of the last channels exposing millions of adolescents to smoking imagery without restrictions," according to Douglas Bettcher, WHO's Director for the Department of Prevention of Noncommunicable Diseases